› 1xam

X-ray diffraction
1.86Å resolution

Cobalt hexammine induced tautameric shift in Z-DNA: structure of d(CGCGCA).d(TGCGCG) in two crystal forms.

Released:
DOI: 10.2210/pdb1xam/pdb
PDB entry 1xam coloured by chain, front view.
PDB entry 1xam coloured by chain, side view.
PDB entry 1xam coloured by chain, top view.
Source organism: Synthetic construct
Primary publication:
Cobalt hexammine induced tautomeric shift in Z-DNA: the structure of d(CGCGCA)*d(TGCGCG) in two crystal forms.
Thiyagarajan S, Rajan SS, Gautham N
Nucleic Acids Res 32 5945-53 (2004)
PMID: 15534365

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
hetero dimer
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-218908 (preferred)
Entry contents:
3 distinct DNA molecules
Macromolecules (3 distinct):
CGCGCA Chain: A
Molecule details ›
Chain: A
Length: 6 nucleotides
Theoretical weight: 1.79 KDa
Source organism: Synthetic construct
Expression system: Not provided
TGCGCG Chain: B
Molecule details ›
Chain: B
Length: 6 nucleotides
Theoretical weight: 1.83 KDa
Source organism: Synthetic construct
Expression system: Not provided
TG Chains: D, E
Molecule details ›
Chains: D, E
Length: 2 nucleotides
Theoretical weight: 588 Da
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:
Ligand NCO 1 x NCO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P65
Unit cell:
a: 35.588Å b: 35.588Å c: 44.518Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.295 0.273 0.346
Expression system: Not provided

Quick links

Citations

2 review citations

Promotion of rare nucleobase tautomers by metal binding.
Lippert et al. (2009)
1 more

1 mention without citation

DNA conformations and their sequence preferences.
Svozil et al. (2008)